For decades, when people have imagined alien life, their minds have drifted to Mars or distant exoplanets far beyond our […] ...

In a few billion years, our Sun will become so violently hot that it could wipe out all life in the Milky Way. Yet, ...

The Orionids meteor shower, originating from Halley’s Comet, peaks Tuesday night with up to 15 meteors per hour visible ...